/Engine/Source/Runtime/MovieScene/Public/Channels/MovieSceneChannelProxy.h
Construction via a single channel, its editor data, and its extended editor data. Compulsary for channel types with aTMovieSceneChannelTraits::ExtendedEditorDataType. Channel's address is stored internally as a voic* and should exist as long as this channel proxy does.
template<typename ChannelType, typename ExtendedEditorDataType> FMovieSceneChannelProxy ( ChannelType & InChannel, const [FMovieSceneChannelMetaData](API\Runtime\MovieScene\Channels\FMovieSceneChannelMetaData) & InMetaData, ExtendedEditorDataType && InExtendedEditorData )